安装vue的脚手架时报错

Question

我在安装vue-cli时第一步，npm install vue-cli -g成功了，但是第二步初始化项目vue init webpack vue-demo时报错

$ vue init webpack vue-demo
module.js:471
throw err;
^
Error: Cannot find module 'readline2'

at Function.Module._resolveFilename (module.js:469:15)
at Function.Module._load (module.js:417:25)
at Module.require (module.js:497:17)
at require (internal/module.js:20:19)
at Object.<anonymous> (C:\Users\月光边境\AppData\Roaming\npm\node_modules\vue-cli\node_modules\_inquirer@0.12.0@inquirer\lib\ui\baseUI.js:3:22)
at Module._compile (module.js:570:32)
at Object.Module._extensions..js (module.js:579:10)
at Module.load (module.js:487:32)
at tryModuleLoad (module.js:446:12)
at Function.Module._load (module.js:438:3)

请问这个是什么问题，怎么解决？

Answer 1

缺少依赖库readline2
安装即可

$ npm install readline2 -g